#ifndef _LBBCBILLBOARDCLOUDINDIRECTTEXTUREVIEWMODE_H
#define _LBBCBILLBOARDCLOUDINDIRECTTEXTUREVIEWMODE_H

#include <LBBCPrerequisites.h>
#include <LBBCManager.h>
#include <IMG.h>
#include <OBAOgreFrameListenerMode.h>

namespace LBBC {

class _BBCExport BillboardCloudIndirectTextureViewMode : public OBA::OgreFrameListenerMode 
{
	protected:
		unsigned int mFrame;

		Ogre::SceneNode *mBillboardCloudPointClustersSceneNode;
		
		Ogre::SceneNode *mBillboardCloudSplittedSceneNode;

		Ogre::SceneNode *mEntityClustersGroupedSceneNode;

		Ogre::Entity *mEntityClustersGrouped;

		Ogre::Entity *mBillboardCloudPointClusters;

		Ogre::Entity *mBillboardCloudSplitted;

		IMG::TexturePtr mClusterTexture;

		IMG::TextureAtlasPtr mTextureAtlas;

		unsigned int mNumTextures;

		unsigned int mCurrentTexture;

		unsigned int mTextureAtlasSize;

		unsigned int mTextureSize;

		unsigned int mBitRange;

		Ogre::PixelFormat mSrcPixelFormat;

		Ogre::PixelFormat mDestPixelFormat;

		Ogre::String mTextureAtlasName;

		Ogre::String mTextureAtlasFolder;

		Ogre::String mBillboardCloudPointClustersName;

		Ogre::String mBillboardCloudSplittedName;

		Ogre::String mEntityClustersGroupedName;

		Ogre::Matrix4 mCustomProjMatrix;

		bool mDebugBillboardGeneration;

		bool mDebugTextureAtlasGeneration;

		unsigned int mCurrentBillboardGroup;

		unsigned int mCurrentBillboard;

	public:

		BillboardCloudIndirectTextureViewMode(Ogre::RenderWindow* win, unsigned int ogreFrameListenerModeHandle, bool useBufferedInputKeys = false, bool useBufferedInputMouse = false);	

		virtual ~BillboardCloudIndirectTextureViewMode();		

		virtual bool frameStarted(const Ogre::FrameEvent& evt, Ogre::InputReader *inputReader);

		virtual void createScene();

		virtual void destroyScene();

		void setEntityClustersGroupedName(Ogre::String entityClustersGrouped);

		void initializeBillboardCloudPointClusters();

		void setBillboardCloudGroupedTextureAtlasDebug(bool debugTextureAtlasGeneration);

		void configureBillboard();

		void configureTexture();

		void configureTextureAtlas();
	
		bool processUnbufferedKeyInput(const Ogre::FrameEvent& evt);

		void saveTextureAtlas();
		
		void setTextureAtlasSize(unsigned int size);

		void setTextureSize(unsigned int size);

		void setBillboardCloudSplittedName(Ogre::String billboardCloudSplittedName);

		void setBillboardCloudPointClustersName(Ogre::String billboardCloudPointClustersName);

		void setTextureAtlasName(Ogre::String textureAtlasName);

		void setTextureAtlasFolder(Ogre::String textureAtlasFolder);

		void setTextureAtlasBitRange(unsigned int bitRange);

		void configureBillboardOrthogonalAlignedCamera(unsigned int iBillboard);

		void initializeEntityClustersGrouped();

		void initializeBillboardCloudSplitted();
		
		void generateTexture();

		void generateTextureAtlas();

};

}
#endif